16465063409 has 2 divisors, whose sum is σ = 16465063410. Its totient is φ = 16465063408.

The previous prime is 16465063399. The next prime is 16465063423. The reversal of 16465063409 is 90436056461.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8336237809 + 8128825600 = 91303^2 + 90160^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16465063409 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16465063409.

It is not a weakly prime, because it can be changed into another prime (16465063469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8232531704 + 8232531705.

It is an arithmetic number, because the mean of its divisors is an integer number (8232531705).

Almost surely, 2^16465063409 is an apocalyptic number.

It is an amenable number.

16465063409 is a deficient number, since it is larger than the sum of its proper divisors (1).

16465063409 is an equidigital number, since it uses as much as digits as its factorization.

16465063409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 466560, while the sum is 44.

The spelling of 16465063409 in words is "sixteen billion, four hundred sixty-five million, sixty-three thousand, four hundred nine".